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Citizen-scientists, frog enthusiasts and lovers of moonlit walks can join Ryan Hueffmeier of the NRRI for the frog survey work now underway at Hartley Park. It's part of a national frog survey that involves listening and identifying frog calls - much like the annual bird counts Laura Erickson and Larry Weber take part in. But you don't have to be a naturalist to join in; when it comes to frog calls, Hueffmeier says, there's an app for that.

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